Add 70/75 and 1/18
70/75 + 1/18 is 89/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 75 × 6 = 450,
70/75 = 70 × 6/75 × 6 = 420/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
1/18 = 1 × 25/18 × 25 = 25/450 - Add the two like fractions:
420/450 + 25/450 = 420 + 25/450 = 445/450 - 445/450 simplified gives 89/90
- So, 70/75 + 1/18 = 89/90
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